The repose of the latter became more and more disturbed; and her sister, who watched, with unremitting attention her continual change of posture, and heard the frequent but inarticulate sounds of complaint which passed her lips, was almost wishing to rouse her from so painful a slumber, when Marianne, suddenly awakened by some accidental noise in the house, started hastily up, and, with feverish wildness, cried out,— "Is mama coming?
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She becomes inarticulate when she’s nervous.
She seemed uninformed and inarticulate compared to her opponent in the debate.